contain potentially toxic chemicals according to a study published by the journal of environmental science and technology. most are treated with chemicals that are supposed to prevent fire. many of the chemicals have been banned because they can cause cancer among other problems. >> that is scary. the words husband and wife getting axed from marriage certificates in washington. they will likely be replaced with more gender neutral terms spouse a and spouse b. the same-sex marriage law takes effect december 6th. >> the video you have to see a zebra and tony captured on cell phone video running wild through the streets of staten island, new york. it happened during a busy morning commute. >>> it's a zebra. it's staten island running past me. it came towards me. i tried to stop him so it didn't run into the street. it didn't stop. they were running so fast. it was like a herd moving the pony was leading and the zebra was behind it. >> behind them the petting zoo owner. he let them out of their stalls to clean the stalls and forgot to close the gate. with the help of the nypd he was able to ge